nuclear meaning and definition

NUCLEAR adjective

Definition of nuclear (adjective)

1. (weapons) deriving destructive energy from the release of atomic energy
   • "nuclear war"; "nuclear weapons"; "atomic bombs"
   • synonyms: atomic
   • antonym: conventional
2. of or relating to or constituting the nucleus of an atom
   • "nuclear physics"; "nuclear fission"; "nuclear forces"
3. of or relating to or constituting the nucleus of a cell
   • "nuclear membrane"; "nuclear division"
4. constituting or like a nucleus
   • "annexation of the suburban fringe by the nuclear metropolis"; "the nuclear core of the congregation"